Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8586496 | Preparation of molecular sieve catalysts and their use in the production of alkylaromatic hydrocarbons | Carolyn B. Duncan, Jon E. Stanat, Jane C. Cheng | 2013-11-19 |
| 8048295 | Process for decreasing bromine-reactive contaminants in hydrocarbon feeds | Stephen H. Brown, Jose G. Santiesteban, Bryson J. Sundberg, Terry E. Helton, Jean W. Beeckman +1 more | 2011-11-01 |
| 7767871 | Method of recovering crystalline material and compositions therefrom | Yun-Feng Chang | 2010-08-03 |
| 7737316 | Method of flocculation and formulation of crystalline materials | Yun-Feng Chang | 2010-06-15 |
| 7553790 | Enhanced crystal acidity exchange method | Jean W. Beeckman, Glenn R. Sweeten, David L. Stern, Stephen J. McCarthy, Dominick N. Mazzone +1 more | 2009-06-30 |
| 7115538 | Ethylbenzene conversion catalyst and process | John S. Buchanan, Robert A. Crane, Doron Levin, Gary D. Mohr, David L. Stern | 2006-10-03 |
| 7011810 | Crystalline molecular sieves | Jihad M. Dakka, Machteld M. Mertens | 2006-03-14 |
| 6486373 | Shape selective zeolite catalyst and its use in aromatic compound conversion | Jeevan S. Abichandani, Mae K. Rubin, Sanjay B. Sharma, David S. Shihabi | 2002-11-26 |
| 6143261 | Catalytic reduction of nitrogen oxide emissions with MCM-49 and MCM-56 | David O. Marler, John P. McWilliams, David S. Shihabi, Sanjay B. Sharma | 2000-11-07 |
| 6028238 | Xylene isomerization | Jeffrey S. Beck, Robert A. Crane, Jocelyn A. Kowalski, Mark Mathias, David L. Stern | 2000-02-22 |
| 5620590 | Hydrocracking process using small crystal size zeolite Y | Robert P. L. Absil, James R. Katzer, Robert A. Ware, Stephen S. Wong | 1997-04-15 |
| 5557024 | Process for preparing short chain alkyl aromatic compounds | Jane C. Cheng, Anthony D. Fung, Donald J. Klocke, Stephen L. Lawton, Wieslaw J. Roth +2 more | 1996-09-17 |
| 5536894 | MCM-56 as sorbent and catalyst component | Thomas F. Degnan, Anthony S. Fung, Terry E. Helton, Stephen L. Lawton, Wieslaw J. Roth | 1996-07-16 |
| 5523511 | Highly selective n-olefin isomerization process using low zeolite content ZSM-35 catalyst | Claus-Peter Haelsig, Albin Huss, Jr., Donald J. Klocke, Iraj Isaac Rahmim | 1996-06-04 |
| 5516962 | Catalyst and process for isoparaffin-olefin alkylation | Cynthia T-W. Chu, Altaf Husain, Kathleen M. Keville | 1996-05-14 |
| 5516959 | Highly selective n-olefin isomerization process using ZSM-35 | Iraj Isaac Rahmim, Albin Huss, Jr., Donald J. Klocke, Werner O. Haag | 1996-05-14 |
| 5486284 | Catalytic cracking with MCM-49 | Thomas F. Degnan, Terry E. Helton | 1996-01-23 |
| 5453554 | Process for preparing short chain alkyl aromatic compounds | Jane C. Cheng, Anthony S. Fung, Donald J. Klocke, Stephen L. Lawton, Wieslaw J. Roth +2 more | 1995-09-26 |
| 5449851 | Highly selective n-olefin isomerization process using ZSM-35 | Iraj Rahmin, Albin Huss, Jr., Donald J. Klocke, Werner O. Haag | 1995-09-12 |
| 5401704 | Hydrocracking catalyst and process using small crystal size zeolite Y | Robert P. L. Absil, James R. Katzer, Robert A. Ware, Stephen S. Wong | 1995-03-28 |
| 5401896 | Process for preparing long chain alkyl aromatic compounds | Guenter H. Kuehl, Hye Kyung Cho Timken | 1995-03-28 |
| 5371310 | Process for preparing short chain alkyl aromatic compounds | J. Michael Bennett, Clarence D. Chang, Jane C. Cheng, Stephen L. Lawton, Michael E. Leonowicz +3 more | 1994-12-06 |
| 5354718 | Catalyst and process for isoparaffin-olefin alkylation | Cynthia T-W. Chu, Altaf Husain, Kathleen M. Keville | 1994-10-11 |
| 5326462 | Gasoline upgrading process | Stuart S. Shih, Kathleen M. Keville | 1994-07-05 |
| 5298150 | Gasoline upgrading process | David L. Fletcher, Michael S. Sarli, Stuart S. Shih, Kathleen M. Keville | 1994-03-29 |